Merge branch 'error-leak-fix' into 'next'

sanitise potentially sensitive errors

See merge request famedly/conduit!523

src/api/server_server.rs

@@ -927,7 +927,7 @@ pub async fn send_transaction_message_route(
     Ok(send_transaction_message::v1::Response {
         pdus: resolved_map
             .into_iter()
-            .map(|(e, r)| (e, r.map_err(|e| e.to_string())))
+            .map(|(e, r)| (e, r.map_err(|e| e.sanitized_error())))
             .collect(),
     })
 }